Math, asked by khushibrahms, 11 months ago

a contractor required 42 labours to whitewash a building in 63 days in how many days will the building be whitewashed if 7 more labours join the work​

Answers

Answered by hancyamit2003
45

Answer:54 days

Step-by-step explanation:

42 labours finish the work in 63 days

1 labour will finish it in 42×63 days

After 7 more labour join, total labours will be (42+7)=49 labours.

Therefore 49 labours will finish in (42×63/49) days

=6×63/7=6×9=54 days.

Answered by saurav4578
15

Answer:

54 days

Step-by-step explanation:

total work done by 42 labours = 42*63

now,

total labours =42+7=49

no. of days required to do the work =42*69/49

=54

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